Powellite and Bustamite Physical Properties

Powellite

Bustamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

4.233.32-3.43

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{111} Distinct

{100} perfect; {110} and {1 1 0} good; {010} poor

1.7 Mohs Hardness

3.5-45.5-6

2 10

1.8 Chemical Composition

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Powellite and Bustamite Chemical Formula

While comparing Powellite and Bustamite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Powellite and Bustamite chemical formula.

Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Powellite Vs Rock Crystal

Powellite Vs Rubellite

Powellite Vs Sanidine

Powellite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Powellite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.